150661555511650 has 48 divisors (see below), whose sum is σ = 299546487047808. Its totient is φ = 56238459728000.

The previous prime is 150661555511633. The next prime is 150661555511651. The reversal of 150661555511650 is 56115555166051.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (150661555511651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1597636366 + ... + 1597730665.

It is an arithmetic number, because the mean of its divisors is an integer number (6240551813496).

Almost surely, 2^{150661555511650} is an apocalyptic number.

150661555511650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

150661555511650 is a deficient number, since it is larger than the sum of its proper divisors (148884931536158).

150661555511650 is a wasteful number, since it uses less digits than its factorization.

150661555511650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195367107 (or 3195367102 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 52.

The spelling of 150661555511650 in words is "one hundred fifty trillion, six hundred sixty-one billion, five hundred fifty-five million, five hundred eleven thousand, six hundred fifty".