7142457011531 has 16 divisors (see below), whose sum is σ = 7567668393984. Its totient is φ = 6726893948544.

The previous prime is 7142457011491. The next prime is 7142457011561. The reversal of 7142457011531 is 1351107542417.

It is a cyclic number.

It is not a de Polignac number, because 7142457011531 - 2¹⁸ = 7142456749387 is a prime.

It is a super-2 number, since 2×7142457011531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7142457011561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2350931 + ... + 4451043.

It is an arithmetic number, because the mean of its divisors is an integer number (472979274624).

Almost surely, 2^{7142457011531} is an apocalyptic number.

7142457011531 is a deficient number, since it is larger than the sum of its proper divisors (425211382453).

7142457011531 is a wasteful number, since it uses less digits than its factorization.

7142457011531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102410.

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 7142457011531 in words is "seven trillion, one hundred forty-two billion, four hundred fifty-seven million, eleven thousand, five hundred thirty-one".