1257090342088 has 16 divisors (see below), whose sum is σ = 2693765018880. Its totient is φ = 538753003728.

The previous prime is 1257090342071. The next prime is 1257090342089. The reversal of 1257090342088 is 8802430907521.

It is a super-2 number, since 2×1257090342088² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1257090342089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11224020856 + ... + 11224020967.

It is an arithmetic number, because the mean of its divisors is an integer number (168360313680).

Almost surely, 2^{1257090342088} is an apocalyptic number.

It is an amenable number.

1257090342088 is an abundant number, since it is smaller than the sum of its proper divisors (1436674676792).

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

1257090342088 is a wasteful number, since it uses less digits than its factorization.

1257090342088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22448041836 (or 22448041832 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 1257090342088 in words is "one trillion, two hundred fifty-seven billion, ninety million, three hundred forty-two thousand, eighty-eight".