125601628490 has 32 divisors (see below), whose sum is σ = 247465317456. Its totient is φ = 45615720960.

The previous prime is 125601628463. The next prime is 125601628501. The reversal of 125601628490 is 94826106521.

It can be written as a sum of positive squares in 8 ways, for example, as 2837586361 + 122764042129 = 53269^2 + 350377^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7911467 + ... + 7927326.

Almost surely, 2^125601628490 is an apocalyptic number.

125601628490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125601628490 is a deficient number, since it is larger than the sum of its proper divisors (121863688966).

125601628490 is a wasteful number, since it uses less digits than its factorization.

125601628490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15838874.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 125601628490 in words is "one hundred twenty-five billion, six hundred one million, six hundred twenty-eight thousand, four hundred ninety".