1121425253431 has 32 divisors (see below), whose sum is σ = 1307581065216. Its totient is φ = 941976000000.

The previous prime is 1121425253411. The next prime is 1121425253461. The reversal of 1121425253431 is 1343525241211.

It is not a de Polignac number, because 1121425253431 - 2¹¹ = 1121425251383 is a prime.

It is a super-2 number, since 2×1121425253431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121425253411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59988796 + ... + 60007486.

It is an arithmetic number, because the mean of its divisors is an integer number (40861908288).

Almost surely, 2^{1121425253431} is an apocalyptic number.

1121425253431 is a deficient number, since it is larger than the sum of its proper divisors (186155811785).

1121425253431 is a wasteful number, since it uses less digits than its factorization.

1121425253431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19663.

The product of its digits is 28800, while the sum is 34.

The spelling of 1121425253431 in words is "one trillion, one hundred twenty-one billion, four hundred twenty-five million, two hundred fifty-three thousand, four hundred thirty-one".