1055429131842 has 40 divisors (see below), whose sum is σ = 2370404974476. Its totient is φ = 350997193728.

The previous prime is 1055429131649. The next prime is 1055429131847. The reversal of 1055429131842 is 2481319245501.

1055429131842 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 4 + 291 + 318 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1037201701761 + 18227430081 = 1018431^2 + 135009^2 .

It is a super-2 number, since 2×1055429131842² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055429131847) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7452943 + ... + 7593234.

Almost surely, 2^{1055429131842} is an apocalyptic number.

1055429131842 is an abundant number, since it is smaller than the sum of its proper divisors (1314975842634).

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

1055429131842 is a wasteful number, since it uses less digits than its factorization.

1055429131842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15046624 (or 15046615 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 1055429131842 in words is "one trillion, fifty-five billion, four hundred twenty-nine million, one hundred thirty-one thousand, eight hundred forty-two".