1011254322125 has 32 divisors (see below), whose sum is σ = 1296059271936. Its totient is φ = 787335595200.

The previous prime is 1011254322101. The next prime is 1011254322139. The reversal of 1011254322125 is 5212234521101.

It is a de Polignac number, because none of the positive numbers 2^k-1011254322125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1149272 + ... + 1828478.

It is an arithmetic number, because the mean of its divisors is an integer number (40501852248).

Almost surely, 2^{1011254322125} is an apocalyptic number.

It is an amenable number.

1011254322125 is a deficient number, since it is larger than the sum of its proper divisors (284804949811).

1011254322125 is an equidigital number, since it uses as much as digits as its factorization.

1011254322125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679542 (or 679532 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 1011254322125 its reverse (5212234521101), we get a palindrome (6223488843226).

The spelling of 1011254322125 in words is "one trillion, eleven billion, two hundred fifty-four million, three hundred twenty-two thousand, one hundred twenty-five".