1151650401 has 16 divisors (see below), whose sum is σ = 1763293440. Its totient is φ = 661234320.

The previous prime is 1151650399. The next prime is 1151650433. The reversal of 1151650401 is 1040561511.

It is not a de Polignac number, because 1151650401 - 2¹ = 1151650399 is a prime.

It is a super-2 number, since 2×1151650401² = 2652597292246921602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1151650501) 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, 917755 + ... + 919008.

It is an arithmetic number, because the mean of its divisors is an integer number (110205840).

Almost surely, 2^1151650401 is an apocalyptic number.

1151650401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1151650401 is a deficient number, since it is larger than the sum of its proper divisors (611643039).

1151650401 is a wasteful number, since it uses less digits than its factorization.

1151650401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836796.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 1151650401 is about 33935.9750265113. The cubic root of 1151650401 is about 1048.1905042961.

The spelling of 1151650401 in words is "one billion, one hundred fifty-one million, six hundred fifty thousand, four hundred one".