1291125352952 has 32 divisors (see below), whose sum is σ = 2486594678400. Its totient is φ = 628265614944.

The previous prime is 1291125352823. The next prime is 1291125352961. The reversal of 1291125352952 is 2592535211921.

It is a super-2 number, since 2×1291125352952² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1291125352897 and 1291125352906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14466452 + ... + 14555427.

It is an arithmetic number, because the mean of its divisors is an integer number (77706083700).

Almost surely, 2^{1291125352952} is an apocalyptic number.

It is an amenable number.

1291125352952 is a deficient number, since it is larger than the sum of its proper divisors (1195469325448).

1291125352952 is a wasteful number, since it uses less digits than its factorization.

1291125352952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29022035 (or 29022031 counting only the distinct ones).

The product of its digits is 486000, while the sum is 47.

The spelling of 1291125352952 in words is "one trillion, two hundred ninety-one billion, one hundred twenty-five million, three hundred fifty-two thousand, nine hundred fifty-two".