1153442212531 has 32 divisors (see below), whose sum is σ = 1374101568000. Its totient is φ = 947620926720.

The previous prime is 1153442212493. The next prime is 1153442212567. The reversal of 1153442212531 is 1352122443511.

It is a cyclic number.

It is not a de Polignac number, because 1153442212531 - 2¹³ = 1153442204339 is a prime.

It is a super-2 number, since 2×1153442212531² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1153442213531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28749121 + ... + 28789213.

It is an arithmetic number, because the mean of its divisors is an integer number (42940674000).

Almost surely, 2^{1153442212531} is an apocalyptic number.

1153442212531 is a deficient number, since it is larger than the sum of its proper divisors (220659355469).

1153442212531 is a wasteful number, since it uses less digits than its factorization.

1153442212531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41899.

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

The spelling of 1153442212531 in words is "one trillion, one hundred fifty-three billion, four hundred forty-two million, two hundred twelve thousand, five hundred thirty-one".