1051220342525 has 12 divisors (see below), whose sum is σ = 1308967262400. Its totient is φ = 837457540080.

The previous prime is 1051220342489. The next prime is 1051220342537. The reversal of 1051220342525 is 5252430221501.

It is not a de Polignac number, because 1051220342525 - 2¹² = 1051220338429 is a prime.

It is a super-2 number, since 2×1051220342525² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051220342491 and 1051220342500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87962255 + ... + 87974204.

It is an arithmetic number, because the mean of its divisors is an integer number (109080605200).

Almost surely, 2^{1051220342525} is an apocalyptic number.

It is an amenable number.

1051220342525 is a deficient number, since it is larger than the sum of its proper divisors (257746919875).

1051220342525 is a wasteful number, since it uses less digits than its factorization.

1051220342525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175936708 (or 175936703 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 1051220342525 in words is "one trillion, fifty-one billion, two hundred twenty million, three hundred forty-two thousand, five hundred twenty-five".