1157507612782 has 32 divisors (see below), whose sum is σ = 1775092838400. Its totient is φ = 565921288800.

The previous prime is 1157507612761. The next prime is 1157507612783. The reversal of 1157507612782 is 2872167057511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157507612783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20000307 + ... + 20058097.

It is an arithmetic number, because the mean of its divisors is an integer number (55471651200).

Almost surely, 2^{1157507612782} is an apocalyptic number.

1157507612782 is a deficient number, since it is larger than the sum of its proper divisors (617585225618).

1157507612782 is a wasteful number, since it uses less digits than its factorization.

1157507612782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58752.

The product of its (nonzero) digits is 1646400, while the sum is 52.

The spelling of 1157507612782 in words is "one trillion, one hundred fifty-seven billion, five hundred seven million, six hundred twelve thousand, seven hundred eighty-two".