1510464091961 has 4 divisors (see below), whose sum is σ = 1647779009424. Its totient is φ = 1373149174500.

The previous prime is 1510464091931. The next prime is 1510464092003. The reversal of 1510464091961 is 1691904640151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1510464091961 - 2¹⁸ = 1510463829817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1510464091931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68657458715 + ... + 68657458736.

It is an arithmetic number, because the mean of its divisors is an integer number (411944752356).

Almost surely, 2^{1510464091961} is an apocalyptic number.

1510464091961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1510464091961 is a deficient number, since it is larger than the sum of its proper divisors (137314917463).

1510464091961 is a wasteful number, since it uses less digits than its factorization.

1510464091961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137314917462.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 1510464091961 in words is "one trillion, five hundred ten billion, four hundred sixty-four million, ninety-one thousand, nine hundred sixty-one".