1051254226554 has 64 divisors (see below), whose sum is σ = 2438931824640. Its totient is φ = 295867877760.

The previous prime is 1051254226531. The next prime is 1051254226567. The reversal of 1051254226554 is 4556224521501.

It is a super-2 number, since 2×1051254226554² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1062502 + ... + 1797614.

It is an arithmetic number, because the mean of its divisors is an integer number (38108309760).

Almost surely, 2^{1051254226554} is an apocalyptic number.

1051254226554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051254226554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219465912320).

1051254226554 is an abundant number, since it is smaller than the sum of its proper divisors (1387677598086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051254226554 is a wasteful number, since it uses less digits than its factorization.

1051254226554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735635.

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 1051254226554 in words is "one trillion, fifty-one billion, two hundred fifty-four million, two hundred twenty-six thousand, five hundred fifty-four".